1 – 10 • Murphy
- Murphy’s Law – If it can go wrong, it will.
- Finagle’s Law – Whatever can go wrong will do so at the worst possible moment.
- O’Toole’s Corollary – Murphy was an optimist.
- Sod’s Law – British version: the toast lands butter-side down.
- Cole’s Law – Thinly sliced cabbage in mayonnaise.
- Cheops’ Law – No project is ever on time or on budget (even pyramids).
- Parkinson’s Law – Work expands to fill the time—and budget—available.
- Peter Principle – People rise to their level of incompetence.
- Dilbert Principle – Incompetent workers get promoted to management to minimize damage.
- Hofstadter’s Law – “It always takes longer than you expect, even when you take Hofstadter’s Law into account.”
11 – 20 • Everyday Mischief and Mishaps
- Muphry’s Law – Any text criticizing proofreading will contain its own errors.
- Law of Selective Gravity – Dropped toast targets the carpet, butter-side down.
- Law of Mechanical Repair – When both hands are greasy, your nose will itch.
- Law of the Lost Screw – Small parts roll to the least accessible corner.
- Zymurgy’s First Law – Opening a can of worms always requires a bigger can to re-can them.
- Skinner’s Constant – Multiply your homework answer by this secret factor to get the correct one (only your professor knows it).
- First Law of Holes – If you find yourself in a hole, stop digging.
- Segal’s Law – A person with one watch knows the time; a person with two is never sure.
- Chekhov’s Gun (Meta-Law) – If a gun appears in act I, it must go off in act III (storytelling’s Murphy).
- Sturgeon’s Law – “Ninety percent of everything is crap.”
21 – 30 • Work, Management, and Bureaucracy
- Pournelle’s Iron Law of Bureaucracy – Those devoted to the organization itself eventually run it—and no one else can stop them.
- Putt’s Law – Technologists understand what they don’t manage; managers manage what they don’t understand.
- Heller’s Law – The first myth of management is that it exists.
- Sayre’s Law – Academic politics are so vicious because the stakes are so small.
- Ninety-Ninety Rule (Cargill) – The first 90 % of the code takes 90 % of the time; the last 10 % takes the other 90 %.
- Kranzberg’s First Law – “Technology is neither good nor bad; nor is it neutral.” (A bureaucrat’s Rorschach test.)
- Goodhart’s Law – When a measure becomes a target, it ceases to be a good measure—and everyone games it.
- Brandolini’s Law (Bullshit Asymmetry) – It takes an order of magnitude more energy to refute nonsense than to create it.
- Parkinson’s Law of Triviality (Bike-Shed Effect) – Time spent on an agenda item is inversely proportional to its cost/importance.
- Westheimer’s Rule – To estimate project time, take your best estimate, multiply by two, and change the unit to the next largest (days → weeks, etc.).
31 – 40 • Internet and Media
- Godwin’s Law – As an online discussion grows, the probability of a Nazi comparison approaches 1.
- Poe’s Law – Without a smiley or obvious parody marker, it’s impossible to create a satire that isn’t mistaken for the real thing.
- Betteridge’s Law of Headlines – If a headline ends with a question mark, the answer is “No.”
- Cunningham’s Law – The fastest way to get the right answer online is to post the wrong one.
- Streisand Effect – Attempting to hide information guarantees it spreads further.
- Skitt’s Law – Any post pointing out another’s error will itself contain an error.
- Rule 34 – If it exists, there is adult content of it (no exceptions).
- Pommer’s Law – A person who does not understand the Internet is doomed to misunderstand it—and you in the process.
- Hitchens’s Razor – That which is asserted without evidence can be dismissed without evidence.
- Hanlon’s Razor – Never attribute to malice that which is adequately explained by stupidity.
41 – 50 • Technology and Engineering
- Linus’s Law – “Given enough eyeballs, all bugs are shallow.” (Unless they’re your bugs.)
- Wirth’s Law – Software slows faster than hardware speeds up.
- Moore’s Second Law (aka “Rock’s Law”) – The cost of a chip-fab line doubles about every four years—hardware’s revenge on Moore.
- Tesler’s Law (Conservation of Complexity) – Every app has a minimum complexity; the only choice is whether the user or developer bears it.
- Amdahl’s Law (Comic Version) – The part you can’t parallel-ize is always the part your boss asks about.
- Metcalfe’s Law (Social Edition) – Network value ∝ n²—until everyone is yelling “unsubscribe.”
- Postel’s Law (Robustness Principle) – Be conservative in what you send, liberal in what you accept—Great-Aunt Email still thanks you.
- Gall’s Law – A working complex system evolved from a simple one that worked; a system designed complex never works.
- LeBlanc’s Law – Later = earlier + one week—because “later” is the easiest date to hit.
- Weinberg’s Second Law – If builders built buildings the way programmers write programs, the first woodpecker would destroy civilization.
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